\begin{tikzpicture}
    \tkzDefPoints{0/0/O}
    \tkzDefPoint(200:1.5){A}
    \tkzDefPoint(170:1.5){C}
    \tkzDefPoint(190:3.2){P}
    \tkzInterLC[common=A](P,A)(O,A)  \tkzGetFirstPoint{B}
    \tkzInterLC[common=C](P,C)(O,A)  \tkzGetFirstPoint{D}

    \tkzDrawCircle[thick](O,A)
    \tkzDrawPolygon(A,D,B,C)
    \tkzDrawSegments(P,B  P,D)
    \tkzDrawPoint(O)
    \tkzLabelPoints[right](O)
    \tkzLabelPoints[below left](A)
    \tkzLabelPoints[right](B)
    \tkzLabelPoints[above left](C)
    \tkzLabelPoints[above](D)
    \tkzLabelPoints[left](P)
\end{tikzpicture}

